Display device



FIG. 1 is a front elevation of a display device, showing my new design;

FIG. 2 is a rear elevation of the display device shown FIG. 1; and,

FIG. 3 is a top and rear perspective view of the display device shown in FIG. 1.

The bottom panel of the extruding housing is flat and unornamented.

The front panel of the display device is flat. 

The ornamental design for a display device, as shown and described. 